Bulla elastica Danilo & Sandri, 1856 accepted as Akera bullata O. F. Müller, 1776 (original description)
Byssomia crispa Danilo & Sandri, 1856 accepted as Hiatella arctica (Linnaeus, 1767) (original description)
Cerithium afrum Danilo & Sandri, 1856 accepted as Bittium reticulatum (da Costa, 1778) (original description)
Delphinula costata Danilo & Sandri, 1856 accepted as Circulus tricarinatus (S. V. Wood, 1848) accepted as Circulus striatus (Philippi, 1836) (original description)
Donax alboradiatus Danilo & Sandri, 1856 accepted as Donax variegatus (Gmelin, 1791) (original description)
Littorina striata Danilo & Sandri, 1856 accepted as Euparthenia bulinea (R. T. Lowe, 1841) (original description)
Mitra picta Danilo & Sandri, 1856 accepted as Vexillum granum (Forbes, 1844) accepted as Pusia granum (Forbes, 1844) (original description)
Modiola laevis Danilo & Sandri, 1856 accepted as Modiolula phaseolina (Philippi, 1844) (original description)
Murex falcatus Sandri & Danilo, 1856 accepted as Hexaplex trunculus (Linnaeus, 1758) (original description)
Mytilus succineus Danilo & Sandri, 1856 accepted as Mytilus galloprovincialis Lamarck, 1819 (original description)
Rissoa apiculata Danilo & Sandri, 1856 accepted as Rissoa similis Scacchi, 1836 (original description)
Scrobicularia trigona Danilo & Sandri, 1856 accepted as Scrobicularia cottardii (Payraudeau, 1826) (original description)
Venus gibba Danilo & Sandri, 1856 accepted as Coralliophaga lithophagella (Lamarck, 1819) (original description)
Venus innominata Danilo & Sandri, 1856 accepted as Polititapes rhomboides (Pennant, 1777) (original description)
Venus lithophaga Danilo & Sandri, 1856 accepted as Venerupis corrugata (Gmelin, 1791) (original description)